AA3765 serves multiple routes, but the most common is between Wichita, KS (ICT-Wichita Dwight D. Eisenhower National) and Dallas, TX (DFW-Dallas-Fort Worth Intl.). If your flight goes direct, you'll land in 1 hour and 17 minutes. Multi-stop flights can also operate under the same number, as can services on other routes.
AA3765 is a flight number that is used on several routes. If you're booked on the most frequent route, Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Wichita, KS (ICT-Wichita Dwight D. Eisenhower National), there's a good chance you'll be hopping aboard an Embraer RJ140.